HBAO+ 4.0.0.23740451

1 files changed, 1508 insertions, 0 deletions

diff --git a/samples/dual_layer/D3D12/src/d3dx12.h b/samples/dual_layer/D3D12/src/d3dx12.h
new file mode 100644
index 0000000..ba59dfc
--- /dev/null
+++ b/samples/dual_layer/D3D12/src/d3dx12.h
@@ -0,0 +1,1508 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Microsoft Corporation.  All Rights Reserved.
+//
+//  File:       d3dx12.h
+//  Content:    D3DX12 utility library
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef __D3DX12_H__
+#define __D3DX12_H__
+
+#include "d3d12.h"
+
+#if defined( __cplusplus )
+
+struct CD3DX12_DEFAULT {};
+extern const DECLSPEC_SELECTANY CD3DX12_DEFAULT D3D12_DEFAULT;
+
+//------------------------------------------------------------------------------------------------
+inline bool operator==( const D3D12_VIEWPORT& l, const D3D12_VIEWPORT& r )
+{
+    return l.TopLeftX == r.TopLeftX && l.TopLeftY == r.TopLeftY && l.Width == r.Width &&
+        l.Height == r.Height && l.MinDepth == r.MinDepth && l.MaxDepth == r.MaxDepth;
+}
+
+//------------------------------------------------------------------------------------------------
+inline bool operator!=( const D3D12_VIEWPORT& l, const D3D12_VIEWPORT& r )
+{ return !( l == r ); }
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_RECT : public D3D12_RECT
+{
+    CD3DX12_RECT()
+    {}
+    explicit CD3DX12_RECT( const D3D12_RECT& o ) :
+        D3D12_RECT( o )
+    {}
+    explicit CD3DX12_RECT(
+        LONG Left,
+        LONG Top,
+        LONG Right,
+        LONG Bottom )
+    {
+        left = Left;
+        top = Top;
+        right = Right;
+        bottom = Bottom;
+    }
+    ~CD3DX12_RECT() {}
+    operator const D3D12_RECT&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_BOX : public D3D12_BOX
+{
+    CD3DX12_BOX()
+    {}
+    explicit CD3DX12_BOX( const D3D12_BOX& o ) :
+        D3D12_BOX( o )
+    {}
+    explicit CD3DX12_BOX(
+        LONG Left,
+        LONG Right )
+    {
+        left = Left;
+        top = 0;
+        front = 0;
+        right = Right;
+        bottom = 1;
+        back = 1;
+    }
+    explicit CD3DX12_BOX(
+        LONG Left,
+        LONG Top,
+        LONG Right,
+        LONG Bottom )
+    {
+        left = Left;
+        top = Top;
+        front = 0;
+        right = Right;
+        bottom = Bottom;
+        back = 1;
+    }
+    explicit CD3DX12_BOX(
+        LONG Left,
+        LONG Top,
+        LONG Front,
+        LONG Right,
+        LONG Bottom,
+        LONG Back )
+    {
+        left = Left;
+        top = Top;
+        front = Front;
+        right = Right;
+        bottom = Bottom;
+        back = Back;
+    }
+    ~CD3DX12_BOX() {}
+    operator const D3D12_BOX&() const { return *this; }
+};
+inline bool operator==( const D3D12_BOX& l, const D3D12_BOX& r )
+{
+    return l.left == r.left && l.top == r.top && l.front == r.front &&
+        l.right == r.right && l.bottom == r.bottom && l.back == r.back;
+}
+inline bool operator!=( const D3D12_BOX& l, const D3D12_BOX& r )
+{ return !( l == r ); }
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_DEPTH_STENCIL_DESC : public D3D12_DEPTH_STENCIL_DESC
+{
+    CD3DX12_DEPTH_STENCIL_DESC()
+    {}
+    explicit CD3DX12_DEPTH_STENCIL_DESC( const D3D12_DEPTH_STENCIL_DESC& o ) :
+        D3D12_DEPTH_STENCIL_DESC( o )
+    {}
+    explicit CD3DX12_DEPTH_STENCIL_DESC( CD3DX12_DEFAULT )
+    {
+        DepthEnable = TRUE;
+        DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
+        DepthFunc = D3D12_COMPARISON_FUNC_LESS;
+        StencilEnable = FALSE;
+        StencilReadMask = D3D12_DEFAULT_STENCIL_READ_MASK;
+        StencilWriteMask = D3D12_DEFAULT_STENCIL_WRITE_MASK;
+        const D3D12_DEPTH_STENCILOP_DESC defaultStencilOp =
+        { D3D12_STENCIL_OP_KEEP, D3D12_STENCIL_OP_KEEP, D3D12_STENCIL_OP_KEEP, D3D12_COMPARISON_FUNC_ALWAYS };
+        FrontFace = defaultStencilOp;
+        BackFace = defaultStencilOp;
+    }
+    explicit CD3DX12_DEPTH_STENCIL_DESC(
+        BOOL depthEnable,
+        D3D12_DEPTH_WRITE_MASK depthWriteMask,
+        D3D12_COMPARISON_FUNC depthFunc,
+        BOOL stencilEnable,
+        UINT8 stencilReadMask,
+        UINT8 stencilWriteMask,
+        D3D12_STENCIL_OP frontStencilFailOp,
+        D3D12_STENCIL_OP frontStencilDepthFailOp,
+        D3D12_STENCIL_OP frontStencilPassOp,
+        D3D12_COMPARISON_FUNC frontStencilFunc,
+        D3D12_STENCIL_OP backStencilFailOp,
+        D3D12_STENCIL_OP backStencilDepthFailOp,
+        D3D12_STENCIL_OP backStencilPassOp,
+        D3D12_COMPARISON_FUNC backStencilFunc )
+    {
+        DepthEnable = depthEnable;
+        DepthWriteMask = depthWriteMask;
+        DepthFunc = depthFunc;
+        StencilEnable = stencilEnable;
+        StencilReadMask = stencilReadMask;
+        StencilWriteMask = stencilWriteMask;
+        FrontFace.StencilFailOp = frontStencilFailOp;
+        FrontFace.StencilDepthFailOp = frontStencilDepthFailOp;
+        FrontFace.StencilPassOp = frontStencilPassOp;
+        FrontFace.StencilFunc = frontStencilFunc;
+        BackFace.StencilFailOp = backStencilFailOp;
+        BackFace.StencilDepthFailOp = backStencilDepthFailOp;
+        BackFace.StencilPassOp = backStencilPassOp;
+        BackFace.StencilFunc = backStencilFunc;
+    }
+    ~CD3DX12_DEPTH_STENCIL_DESC() {}
+    operator const D3D12_DEPTH_STENCIL_DESC&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_BLEND_DESC : public D3D12_BLEND_DESC
+{
+    CD3DX12_BLEND_DESC()
+    {}
+    explicit CD3DX12_BLEND_DESC( const D3D12_BLEND_DESC& o ) :
+        D3D12_BLEND_DESC( o )
+    {}
+    explicit CD3DX12_BLEND_DESC( CD3DX12_DEFAULT )
+    {
+        AlphaToCoverageEnable = FALSE;
+        IndependentBlendEnable = FALSE;
+        const D3D12_RENDER_TARGET_BLEND_DESC defaultRenderTargetBlendDesc =
+        {
+            FALSE,FALSE,
+            D3D12_BLEND_ONE, D3D12_BLEND_ZERO, D3D12_BLEND_OP_ADD,
+            D3D12_BLEND_ONE, D3D12_BLEND_ZERO, D3D12_BLEND_OP_ADD,
+            D3D12_LOGIC_OP_NOOP,
+            D3D12_COLOR_WRITE_ENABLE_ALL,
+        };
+        for (UINT i = 0; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; ++i)
+            RenderTarget[ i ] = defaultRenderTargetBlendDesc;
+    }
+    ~CD3DX12_BLEND_DESC() {}
+    operator const D3D12_BLEND_DESC&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_RASTERIZER_DESC : public D3D12_RASTERIZER_DESC
+{
+    CD3DX12_RASTERIZER_DESC()
+    {}
+    explicit CD3DX12_RASTERIZER_DESC( const D3D12_RASTERIZER_DESC& o ) :
+        D3D12_RASTERIZER_DESC( o )
+    {}
+    explicit CD3DX12_RASTERIZER_DESC( CD3DX12_DEFAULT )
+    {
+        FillMode = D3D12_FILL_MODE_SOLID;
+        CullMode = D3D12_CULL_MODE_BACK;
+        FrontCounterClockwise = FALSE;
+        DepthBias = D3D12_DEFAULT_DEPTH_BIAS;
+        DepthBiasClamp = D3D12_DEFAULT_DEPTH_BIAS_CLAMP;
+        SlopeScaledDepthBias = D3D12_DEFAULT_SLOPE_SCALED_DEPTH_BIAS;
+        DepthClipEnable = TRUE;
+        MultisampleEnable = FALSE;
+        AntialiasedLineEnable = FALSE;
+        ForcedSampleCount = 0;
+        ConservativeRaster = D3D12_CONSERVATIVE_RASTERIZATION_MODE_OFF;
+    }
+    explicit CD3DX12_RASTERIZER_DESC(
+        D3D12_FILL_MODE fillMode,
+        D3D12_CULL_MODE cullMode,
+        BOOL frontCounterClockwise,
+        INT depthBias,
+        FLOAT depthBiasClamp,
+        FLOAT slopeScaledDepthBias,
+        BOOL depthClipEnable,
+        BOOL multisampleEnable,
+        BOOL antialiasedLineEnable, 
+        UINT forcedSampleCount, 
+        D3D12_CONSERVATIVE_RASTERIZATION_MODE conservativeRaster)
+    {
+        FillMode = fillMode;
+        CullMode = cullMode;
+        FrontCounterClockwise = frontCounterClockwise;
+        DepthBias = depthBias;
+        DepthBiasClamp = depthBiasClamp;
+        SlopeScaledDepthBias = slopeScaledDepthBias;
+        DepthClipEnable = depthClipEnable;
+        MultisampleEnable = multisampleEnable;
+        AntialiasedLineEnable = antialiasedLineEnable;
+        ForcedSampleCount = forcedSampleCount;
+        ConservativeRaster = conservativeRaster;
+    }
+    ~CD3DX12_RASTERIZER_DESC() {}
+    operator const D3D12_RASTERIZER_DESC&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_RESOURCE_ALLOCATION_INFO : public D3D12_RESOURCE_ALLOCATION_INFO
+{
+    CD3DX12_RESOURCE_ALLOCATION_INFO()
+    {}
+    explicit CD3DX12_RESOURCE_ALLOCATION_INFO( const D3D12_RESOURCE_ALLOCATION_INFO& o ) :
+        D3D12_RESOURCE_ALLOCATION_INFO( o )
+    {}
+    CD3DX12_RESOURCE_ALLOCATION_INFO(
+        UINT64 size,
+        UINT64 alignment )
+    {
+        SizeInBytes = size;
+        Alignment = alignment;
+    }
+    operator const D3D12_RESOURCE_ALLOCATION_INFO&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_HEAP_PROPERTIES : public D3D12_HEAP_PROPERTIES
+{
+    CD3DX12_HEAP_PROPERTIES()
+    {}
+    explicit CD3DX12_HEAP_PROPERTIES(const D3D12_HEAP_PROPERTIES &o) :
+        D3D12_HEAP_PROPERTIES(o)
+    {}
+    CD3DX12_HEAP_PROPERTIES( 
+        D3D12_CPU_PAGE_PROPERTY cpuPageProperty, 
+        D3D12_MEMORY_POOL memoryPoolPreference,
+        UINT creationNodeMask = 1, 
+        UINT nodeMask = 1 )
+    {
+        Type = D3D12_HEAP_TYPE_CUSTOM;
+        CPUPageProperty = cpuPageProperty;
+        MemoryPoolPreference = memoryPoolPreference;
+        CreationNodeMask = creationNodeMask;
+        VisibleNodeMask = nodeMask;
+    }
+    explicit CD3DX12_HEAP_PROPERTIES( 
+        D3D12_HEAP_TYPE type, 
+        UINT creationNodeMask = 1, 
+        UINT nodeMask = 1 )
+    {
+        Type = type;
+        CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
+        MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
+        CreationNodeMask = creationNodeMask;
+        VisibleNodeMask = nodeMask;
+    }
+    operator const D3D12_HEAP_PROPERTIES&() const { return *this; }
+    bool IsCPUAccessible() const
+    {
+        return Type == D3D12_HEAP_TYPE_UPLOAD || Type == D3D12_HEAP_TYPE_READBACK || (Type == D3D12_HEAP_TYPE_CUSTOM &&
+            (CPUPageProperty == D3D12_CPU_PAGE_PROPERTY_WRITE_COMBINE || CPUPageProperty == D3D12_CPU_PAGE_PROPERTY_WRITE_BACK));
+    }
+};
+inline bool operator==( const D3D12_HEAP_PROPERTIES& l, const D3D12_HEAP_PROPERTIES& r )
+{
+    return l.Type == r.Type && l.CPUPageProperty == r.CPUPageProperty && 
+        l.MemoryPoolPreference == r.MemoryPoolPreference &&
+        l.CreationNodeMask == r.CreationNodeMask &&
+        l.VisibleNodeMask == r.VisibleNodeMask;
+}
+inline bool operator!=( const D3D12_HEAP_PROPERTIES& l, const D3D12_HEAP_PROPERTIES& r )
+{ return !( l == r ); }
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_HEAP_DESC : public D3D12_HEAP_DESC
+{
+    CD3DX12_HEAP_DESC()
+    {}
+    explicit CD3DX12_HEAP_DESC(const D3D12_HEAP_DESC &o) :
+        D3D12_HEAP_DESC(o)
+    {}
+    CD3DX12_HEAP_DESC( 
+        UINT64 size, 
+        D3D12_HEAP_PROPERTIES properties, 
+        UINT64 alignment = 0, 
+        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE )
+    {
+        SizeInBytes = size;
+        Properties = properties;
+        Alignment = alignment;
+        Flags = flags;
+    }
+    CD3DX12_HEAP_DESC( 
+        UINT64 size, 
+        D3D12_HEAP_TYPE type, 
+        UINT64 alignment = 0, 
+        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE )
+    {
+        SizeInBytes = size;
+        Properties = CD3DX12_HEAP_PROPERTIES( type );
+        Alignment = alignment;
+        Flags = flags;
+    }
+    CD3DX12_HEAP_DESC( 
+        UINT64 size, 
+        D3D12_CPU_PAGE_PROPERTY cpuPageProperty, 
+        D3D12_MEMORY_POOL memoryPoolPreference, 
+        UINT64 alignment = 0, 
+        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE )
+    {
+        SizeInBytes = size;
+        Properties = CD3DX12_HEAP_PROPERTIES( cpuPageProperty, memoryPoolPreference );
+        Alignment = alignment;
+        Flags = flags;
+    }
+    CD3DX12_HEAP_DESC( 
+        const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
+        D3D12_HEAP_PROPERTIES properties, 
+        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE )
+    {
+        SizeInBytes = resAllocInfo.SizeInBytes;
+        Properties = properties;
+        Alignment = resAllocInfo.Alignment;
+        Flags = flags;
+    }
+    CD3DX12_HEAP_DESC( 
+        const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
+        D3D12_HEAP_TYPE type, 
+        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE )
+    {
+        SizeInBytes = resAllocInfo.SizeInBytes;
+        Properties = CD3DX12_HEAP_PROPERTIES( type );
+        Alignment = resAllocInfo.Alignment;
+        Flags = flags;
+    }
+    CD3DX12_HEAP_DESC( 
+        const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
+        D3D12_CPU_PAGE_PROPERTY cpuPageProperty, 
+        D3D12_MEMORY_POOL memoryPoolPreference, 
+        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE )
+    {
+        SizeInBytes = resAllocInfo.SizeInBytes;
+        Properties = CD3DX12_HEAP_PROPERTIES( cpuPageProperty, memoryPoolPreference );
+        Alignment = resAllocInfo.Alignment;
+        Flags = flags;
+    }
+    operator const D3D12_HEAP_DESC&() const { return *this; }
+    bool IsCPUAccessible() const
+    { return static_cast< const CD3DX12_HEAP_PROPERTIES* >( &Properties )->IsCPUAccessible(); }
+};
+inline bool operator==( const D3D12_HEAP_DESC& l, const D3D12_HEAP_DESC& r )
+{
+    return l.SizeInBytes == r.SizeInBytes &&
+        l.Properties == r.Properties && 
+        l.Alignment == r.Alignment &&
+        l.Flags == r.Flags;
+}
+inline bool operator!=( const D3D12_HEAP_DESC& l, const D3D12_HEAP_DESC& r )
+{ return !( l == r ); }
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_CLEAR_VALUE : public D3D12_CLEAR_VALUE
+{
+    CD3DX12_CLEAR_VALUE()
+    {}
+    explicit CD3DX12_CLEAR_VALUE(const D3D12_CLEAR_VALUE &o) :
+        D3D12_CLEAR_VALUE(o)
+    {}
+    CD3DX12_CLEAR_VALUE( 
+        DXGI_FORMAT format, 
+        const FLOAT color[4] )
+    {
+        Format = format;
+        memcpy( Color, color, sizeof( Color ) );
+    }
+    CD3DX12_CLEAR_VALUE( 
+        DXGI_FORMAT format, 
+        FLOAT depth,
+        UINT8 stencil )
+    {
+        Format = format;
+        /* Use memcpy to preserve NAN values */
+        memcpy( &DepthStencil.Depth, &depth, sizeof( depth ) );
+        DepthStencil.Stencil = stencil;
+    }
+    operator const D3D12_CLEAR_VALUE&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_RANGE : public D3D12_RANGE
+{
+    CD3DX12_RANGE()
+    {}
+    explicit CD3DX12_RANGE(const D3D12_RANGE &o) :
+        D3D12_RANGE(o)
+    {}
+    CD3DX12_RANGE( 
+        SIZE_T begin, 
+        SIZE_T end )
+    {
+        Begin = begin;
+        End = end;
+    }
+    operator const D3D12_RANGE&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_TILED_RESOURCE_COORDINATE : public D3D12_TILED_RESOURCE_COORDINATE
+{
+    CD3DX12_TILED_RESOURCE_COORDINATE()
+    {}
+    explicit CD3DX12_TILED_RESOURCE_COORDINATE(const D3D12_TILED_RESOURCE_COORDINATE &o) :
+        D3D12_TILED_RESOURCE_COORDINATE(o)
+    {}
+    CD3DX12_TILED_RESOURCE_COORDINATE( 
+        UINT x, 
+        UINT y, 
+        UINT z, 
+        UINT subresource ) 
+    {
+        X = x;
+        Y = y;
+        Z = z;
+        Subresource = subresource;
+    }
+    operator const D3D12_TILED_RESOURCE_COORDINATE&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_TILE_REGION_SIZE : public D3D12_TILE_REGION_SIZE
+{
+    CD3DX12_TILE_REGION_SIZE()
+    {}
+    explicit CD3DX12_TILE_REGION_SIZE(const D3D12_TILE_REGION_SIZE &o) :
+        D3D12_TILE_REGION_SIZE(o)
+    {}
+    CD3DX12_TILE_REGION_SIZE( 
+        UINT numTiles, 
+        BOOL useBox, 
+        UINT width, 
+        UINT16 height, 
+        UINT16 depth ) 
+    {
+        NumTiles = numTiles;
+        UseBox = useBox;
+        Width = width;
+        Height = height;
+        Depth = depth;
+    }
+    operator const D3D12_TILE_REGION_SIZE&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_SUBRESOURCE_TILING : public D3D12_SUBRESOURCE_TILING
+{
+    CD3DX12_SUBRESOURCE_TILING()
+    {}
+    explicit CD3DX12_SUBRESOURCE_TILING(const D3D12_SUBRESOURCE_TILING &o) :
+        D3D12_SUBRESOURCE_TILING(o)
+    {}
+    CD3DX12_SUBRESOURCE_TILING( 
+        UINT widthInTiles, 
+        UINT16 heightInTiles, 
+        UINT16 depthInTiles, 
+        UINT startTileIndexInOverallResource ) 
+    {
+        WidthInTiles = widthInTiles;
+        HeightInTiles = heightInTiles;
+        DepthInTiles = depthInTiles;
+        StartTileIndexInOverallResource = startTileIndexInOverallResource;
+    }
+    operator const D3D12_SUBRESOURCE_TILING&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_TILE_SHAPE : public D3D12_TILE_SHAPE
+{
+    CD3DX12_TILE_SHAPE()
+    {}
+    explicit CD3DX12_TILE_SHAPE(const D3D12_TILE_SHAPE &o) :
+        D3D12_TILE_SHAPE(o)
+    {}
+    CD3DX12_TILE_SHAPE( 
+        UINT widthInTexels, 
+        UINT heightInTexels, 
+        UINT depthInTexels ) 
+    {
+        WidthInTexels = widthInTexels;
+        HeightInTexels = heightInTexels;
+        DepthInTexels = depthInTexels;
+    }
+    operator const D3D12_TILE_SHAPE&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_RESOURCE_BARRIER : public D3D12_RESOURCE_BARRIER
+{
+    CD3DX12_RESOURCE_BARRIER()
+    {}
+    explicit CD3DX12_RESOURCE_BARRIER(const D3D12_RESOURCE_BARRIER &o) :
+        D3D12_RESOURCE_BARRIER(o)
+    {}
+    static inline CD3DX12_RESOURCE_BARRIER Transition(
+        _In_ ID3D12Resource* pResource,
+        D3D12_RESOURCE_STATES stateBefore,
+        D3D12_RESOURCE_STATES stateAfter,
+        UINT subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES,
+        D3D12_RESOURCE_BARRIER_FLAGS flags = D3D12_RESOURCE_BARRIER_FLAG_NONE)
+    {
+        CD3DX12_RESOURCE_BARRIER result;
+        ZeroMemory(&result, sizeof(result));
+        D3D12_RESOURCE_BARRIER &barrier = result;
+        result.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
+        result.Flags = flags;
+        barrier.Transition.pResource = pResource;
+        barrier.Transition.StateBefore = stateBefore;
+        barrier.Transition.StateAfter = stateAfter;
+        barrier.Transition.Subresource = subresource;
+        return result;
+    }
+    static inline CD3DX12_RESOURCE_BARRIER Aliasing(
+        _In_ ID3D12Resource* pResourceBefore,
+        _In_ ID3D12Resource* pResourceAfter)
+    {
+        CD3DX12_RESOURCE_BARRIER result;
+        ZeroMemory(&result, sizeof(result));
+        D3D12_RESOURCE_BARRIER &barrier = result;
+        result.Type = D3D12_RESOURCE_BARRIER_TYPE_ALIASING;
+        barrier.Aliasing.pResourceBefore = pResourceBefore;
+        barrier.Aliasing.pResourceAfter = pResourceAfter;
+        return result;
+    }
+    static inline CD3DX12_RESOURCE_BARRIER UAV(
+        _In_ ID3D12Resource* pResource)
+    {
+        CD3DX12_RESOURCE_BARRIER result;
+        ZeroMemory(&result, sizeof(result));
+        D3D12_RESOURCE_BARRIER &barrier = result;
+        result.Type = D3D12_RESOURCE_BARRIER_TYPE_UAV;
+        barrier.UAV.pResource = pResource;
+        return result;
+    }
+    operator const D3D12_RESOURCE_BARRIER&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_PACKED_MIP_INFO : public D3D12_PACKED_MIP_INFO
+{
+    CD3DX12_PACKED_MIP_INFO()
+    {}
+    explicit CD3DX12_PACKED_MIP_INFO(const D3D12_PACKED_MIP_INFO &o) :
+        D3D12_PACKED_MIP_INFO(o)
+    {}
+    CD3DX12_PACKED_MIP_INFO( 
+        UINT8 numStandardMips, 
+        UINT8 numPackedMips, 
+        UINT numTilesForPackedMips, 
+        UINT startTileIndexInOverallResource ) 
+    {
+        NumStandardMips = numStandardMips;
+        NumPackedMips = numPackedMips;
+        NumTilesForPackedMips = numTilesForPackedMips;
+        StartTileIndexInOverallResource = startTileIndexInOverallResource;
+    }
+    operator const D3D12_PACKED_MIP_INFO&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_SUBRESOURCE_FOOTPRINT : public D3D12_SUBRESOURCE_FOOTPRINT
+{
+    CD3DX12_SUBRESOURCE_FOOTPRINT()
+    {}
+    explicit CD3DX12_SUBRESOURCE_FOOTPRINT(const D3D12_SUBRESOURCE_FOOTPRINT &o) :
+        D3D12_SUBRESOURCE_FOOTPRINT(o)
+    {}
+    CD3DX12_SUBRESOURCE_FOOTPRINT( 
+        DXGI_FORMAT format, 
+        UINT width, 
+        UINT height, 
+        UINT depth, 
+        UINT rowPitch ) 
+    {
+        Format = format;
+        Width = width;
+        Height = height;
+        Depth = depth;
+        RowPitch = rowPitch;
+    }
+    explicit CD3DX12_SUBRESOURCE_FOOTPRINT( 
+        const D3D12_RESOURCE_DESC& resDesc, 
+        UINT rowPitch ) 
+    {
+        Format = resDesc.Format;
+        Width = UINT( resDesc.Width );
+        Height = resDesc.Height;
+        Depth = (resDesc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D ? resDesc.DepthOrArraySize : 1);
+        RowPitch = rowPitch;
+    }
+    operator const D3D12_SUBRESOURCE_FOOTPRINT&() const { return *this; }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_TEXTURE_COPY_LOCATION : public D3D12_TEXTURE_COPY_LOCATION
+{ 
+    CD3DX12_TEXTURE_COPY_LOCATION()
+    {}
+    explicit CD3DX12_TEXTURE_COPY_LOCATION(const D3D12_TEXTURE_COPY_LOCATION &o) :
+        D3D12_TEXTURE_COPY_LOCATION(o)
+    {}
+    CD3DX12_TEXTURE_COPY_LOCATION(ID3D12Resource* pRes) { pResource = pRes; }
+    CD3DX12_TEXTURE_COPY_LOCATION(ID3D12Resource* pRes, D3D12_PLACED_SUBRESOURCE_FOOTPRINT const& Footprint)
+    {
+        pResource = pRes;
+        Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
+        PlacedFootprint = Footprint;
+    }
+    CD3DX12_TEXTURE_COPY_LOCATION(ID3D12Resource* pRes, UINT Sub)
+    {
+        pResource = pRes;
+        Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
+        SubresourceIndex = Sub;
+    }
+}; 
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_DESCRIPTOR_RANGE : public D3D12_DESCRIPTOR_RANGE
+{
+    CD3DX12_DESCRIPTOR_RANGE() { }
+    explicit CD3DX12_DESCRIPTOR_RANGE(const D3D12_DESCRIPTOR_RANGE &o) :
+        D3D12_DESCRIPTOR_RANGE(o)
+    {}
+    CD3DX12_DESCRIPTOR_RANGE(
+        D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
+        UINT numDescriptors,
+        UINT baseShaderRegister,
+        UINT registerSpace = 0,
+        UINT offsetInDescriptorsFromTableStart =
+        D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND)
+    {
+        Init(rangeType, numDescriptors, baseShaderRegister, registerSpace, offsetInDescriptorsFromTableStart);
+    }
+    
+    inline void Init(
+        D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
+        UINT numDescriptors,
+        UINT baseShaderRegister,
+        UINT registerSpace = 0,
+        UINT offsetInDescriptorsFromTableStart =
+        D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND)
+    {
+        Init(*this, rangeType, numDescriptors, baseShaderRegister, registerSpace, offsetInDescriptorsFromTableStart);
+    }
+    
+    static inline void Init(
+        _Out_ D3D12_DESCRIPTOR_RANGE &range,
+        D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
+        UINT numDescriptors,
+        UINT baseShaderRegister,
+        UINT registerSpace = 0,
+        UINT offsetInDescriptorsFromTableStart =
+        D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND)
+    {
+        range.RangeType = rangeType;
+        range.NumDescriptors = numDescriptors;
+        range.BaseShaderRegister = baseShaderRegister;
+        range.RegisterSpace = registerSpace;
+        range.OffsetInDescriptorsFromTableStart = offsetInDescriptorsFromTableStart;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_ROOT_DESCRIPTOR_TABLE : public D3D12_ROOT_DESCRIPTOR_TABLE
+{
+    CD3DX12_ROOT_DESCRIPTOR_TABLE() {}
+    explicit CD3DX12_ROOT_DESCRIPTOR_TABLE(const D3D12_ROOT_DESCRIPTOR_TABLE &o) :
+        D3D12_ROOT_DESCRIPTOR_TABLE(o)
+    {}
+    CD3DX12_ROOT_DESCRIPTOR_TABLE(
+        UINT numDescriptorRanges,
+        _In_reads_opt_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges)
+    {
+        Init(numDescriptorRanges, _pDescriptorRanges);
+    }
+    
+    inline void Init(
+        UINT numDescriptorRanges,
+        _In_reads_opt_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges)
+    {
+        Init(*this, numDescriptorRanges, _pDescriptorRanges);
+    }
+    
+    static inline void Init(
+        _Out_ D3D12_ROOT_DESCRIPTOR_TABLE &rootDescriptorTable,
+        UINT numDescriptorRanges,
+        _In_reads_opt_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges)
+    {
+        rootDescriptorTable.NumDescriptorRanges = numDescriptorRanges;
+        rootDescriptorTable.pDescriptorRanges = _pDescriptorRanges;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_ROOT_CONSTANTS : public D3D12_ROOT_CONSTANTS
+{
+    CD3DX12_ROOT_CONSTANTS() {}
+    explicit CD3DX12_ROOT_CONSTANTS(const D3D12_ROOT_CONSTANTS &o) :
+        D3D12_ROOT_CONSTANTS(o)
+    {}
+    CD3DX12_ROOT_CONSTANTS(
+        UINT num32BitValues,
+        UINT shaderRegister,
+        UINT registerSpace = 0)
+    {
+        Init(num32BitValues, shaderRegister, registerSpace);
+    }
+    
+    inline void Init(
+        UINT num32BitValues,
+        UINT shaderRegister,
+        UINT registerSpace = 0)
+    {
+        Init(*this, num32BitValues, shaderRegister, registerSpace);
+    }
+    
+    static inline void Init(
+        _Out_ D3D12_ROOT_CONSTANTS &rootConstants,
+        UINT num32BitValues,
+        UINT shaderRegister,
+        UINT registerSpace = 0)
+    {
+        rootConstants.Num32BitValues = num32BitValues;
+        rootConstants.ShaderRegister = shaderRegister;
+        rootConstants.RegisterSpace = registerSpace;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_ROOT_DESCRIPTOR : public D3D12_ROOT_DESCRIPTOR
+{
+    CD3DX12_ROOT_DESCRIPTOR() {}
+    explicit CD3DX12_ROOT_DESCRIPTOR(const D3D12_ROOT_DESCRIPTOR &o) :
+        D3D12_ROOT_DESCRIPTOR(o)
+    {}
+    CD3DX12_ROOT_DESCRIPTOR(
+        UINT shaderRegister,
+        UINT registerSpace = 0)
+    {
+        Init(shaderRegister, registerSpace);
+    }
+    
+    inline void Init(
+        UINT shaderRegister,
+        UINT registerSpace = 0)
+    {
+        Init(*this, shaderRegister, registerSpace);
+    }
+    
+    static inline void Init(_Out_ D3D12_ROOT_DESCRIPTOR &table, UINT shaderRegister, UINT registerSpace = 0)
+    {
+        table.ShaderRegister = shaderRegister;
+        table.RegisterSpace = registerSpace;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_ROOT_PARAMETER : public D3D12_ROOT_PARAMETER
+{
+    CD3DX12_ROOT_PARAMETER() {}
+    explicit CD3DX12_ROOT_PARAMETER(const D3D12_ROOT_PARAMETER &o) :
+        D3D12_ROOT_PARAMETER(o)
+    {}
+    
+    static inline void InitAsDescriptorTable(
+        _Out_ D3D12_ROOT_PARAMETER &rootParam,
+        UINT numDescriptorRanges,
+        _In_reads_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE* pDescriptorRanges,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
+        rootParam.ShaderVisibility = visibility;
+        CD3DX12_ROOT_DESCRIPTOR_TABLE::Init(rootParam.DescriptorTable, numDescriptorRanges, pDescriptorRanges);
+    }
+
+    static inline void InitAsConstants(
+        _Out_ D3D12_ROOT_PARAMETER &rootParam,
+        UINT num32BitValues,
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS;
+        rootParam.ShaderVisibility = visibility;
+        CD3DX12_ROOT_CONSTANTS::Init(rootParam.Constants, num32BitValues, shaderRegister, registerSpace);
+    }
+
+    static inline void InitAsConstantBufferView(
+        _Out_ D3D12_ROOT_PARAMETER &rootParam,
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
+        rootParam.ShaderVisibility = visibility;
+        CD3DX12_ROOT_DESCRIPTOR::Init(rootParam.Descriptor, shaderRegister, registerSpace);
+    }
+
+    static inline void InitAsShaderResourceView(
+        _Out_ D3D12_ROOT_PARAMETER &rootParam,
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
+        rootParam.ShaderVisibility = visibility;
+        CD3DX12_ROOT_DESCRIPTOR::Init(rootParam.Descriptor, shaderRegister, registerSpace);
+    }
+
+    static inline void InitAsUnorderedAccessView(
+        _Out_ D3D12_ROOT_PARAMETER &rootParam,
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_UAV;
+        rootParam.ShaderVisibility = visibility;
+        CD3DX12_ROOT_DESCRIPTOR::Init(rootParam.Descriptor, shaderRegister, registerSpace);
+    }
+    
+    inline void InitAsDescriptorTable(
+        UINT numDescriptorRanges,
+        _In_reads_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE* pDescriptorRanges,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        InitAsDescriptorTable(*this, numDescriptorRanges, pDescriptorRanges, visibility);
+    }
+    
+    inline void InitAsConstants(
+        UINT num32BitValues,
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        InitAsConstants(*this, num32BitValues, shaderRegister, registerSpace, visibility);
+    }
+
+    inline void InitAsConstantBufferView(
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        InitAsConstantBufferView(*this, shaderRegister, registerSpace, visibility);
+    }
+
+    inline void InitAsShaderResourceView(
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        InitAsShaderResourceView(*this, shaderRegister, registerSpace, visibility);
+    }
+
+    inline void InitAsUnorderedAccessView(
+        UINT shaderRegister,
+        UINT registerSpace = 0,
+        D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
+    {
+        InitAsUnorderedAccessView(*this, shaderRegister, registerSpace, visibility);
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_STATIC_SAMPLER_DESC : public D3D12_STATIC_SAMPLER_DESC
+{
+    CD3DX12_STATIC_SAMPLER_DESC() {}
+    explicit CD3DX12_STATIC_SAMPLER_DESC(const D3D12_STATIC_SAMPLER_DESC &o) :
+        D3D12_STATIC_SAMPLER_DESC(o)
+    {}
+    CD3DX12_STATIC_SAMPLER_DESC(
+         UINT shaderRegister,
+         D3D12_FILTER filter = D3D12_FILTER_ANISOTROPIC,
+         D3D12_TEXTURE_ADDRESS_MODE addressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         D3D12_TEXTURE_ADDRESS_MODE addressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         D3D12_TEXTURE_ADDRESS_MODE addressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         FLOAT mipLODBias = 0,
+         UINT maxAnisotropy = 16,
+         D3D12_COMPARISON_FUNC comparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL,
+         D3D12_STATIC_BORDER_COLOR borderColor = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE,
+         FLOAT minLOD = 0.f,
+         FLOAT maxLOD = D3D12_FLOAT32_MAX,
+         D3D12_SHADER_VISIBILITY shaderVisibility = D3D12_SHADER_VISIBILITY_ALL, 
+         UINT registerSpace = 0)
+    {
+        Init(
+            shaderRegister,
+            filter,
+            addressU,
+            addressV,
+            addressW,
+            mipLODBias,
+            maxAnisotropy,
+            comparisonFunc,
+            borderColor,
+            minLOD,
+            maxLOD,
+            shaderVisibility,
+            registerSpace);
+    }
+    
+    static inline void Init(
+        _Out_ D3D12_STATIC_SAMPLER_DESC &samplerDesc,
+         UINT shaderRegister,
+         D3D12_FILTER filter = D3D12_FILTER_ANISOTROPIC,
+         D3D12_TEXTURE_ADDRESS_MODE addressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         D3D12_TEXTURE_ADDRESS_MODE addressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         D3D12_TEXTURE_ADDRESS_MODE addressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         FLOAT mipLODBias = 0,
+         UINT maxAnisotropy = 16,
+         D3D12_COMPARISON_FUNC comparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL,
+         D3D12_STATIC_BORDER_COLOR borderColor = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE,
+         FLOAT minLOD = 0.f,
+         FLOAT maxLOD = D3D12_FLOAT32_MAX,
+         D3D12_SHADER_VISIBILITY shaderVisibility = D3D12_SHADER_VISIBILITY_ALL, 
+         UINT registerSpace = 0)
+    {
+        samplerDesc.ShaderRegister = shaderRegister;
+        samplerDesc.Filter = filter;
+        samplerDesc.AddressU = addressU;
+        samplerDesc.AddressV = addressV;
+        samplerDesc.AddressW = addressW;
+        samplerDesc.MipLODBias = mipLODBias;
+        samplerDesc.MaxAnisotropy = maxAnisotropy;
+        samplerDesc.ComparisonFunc = comparisonFunc;
+        samplerDesc.BorderColor = borderColor;
+        samplerDesc.MinLOD = minLOD;
+        samplerDesc.MaxLOD = maxLOD;
+        samplerDesc.ShaderVisibility = shaderVisibility;
+        samplerDesc.RegisterSpace = registerSpace;
+    }
+    inline void Init(
+         UINT shaderRegister,
+         D3D12_FILTER filter = D3D12_FILTER_ANISOTROPIC,
+         D3D12_TEXTURE_ADDRESS_MODE addressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         D3D12_TEXTURE_ADDRESS_MODE addressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         D3D12_TEXTURE_ADDRESS_MODE addressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+         FLOAT mipLODBias = 0,
+         UINT maxAnisotropy = 16,
+         D3D12_COMPARISON_FUNC comparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL,
+         D3D12_STATIC_BORDER_COLOR borderColor = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE,
+         FLOAT minLOD = 0.f,
+         FLOAT maxLOD = D3D12_FLOAT32_MAX,
+         D3D12_SHADER_VISIBILITY shaderVisibility = D3D12_SHADER_VISIBILITY_ALL, 
+         UINT registerSpace = 0)
+    {
+        Init(
+            *this,
+            shaderRegister,
+            filter,
+            addressU,
+            addressV,
+            addressW,
+            mipLODBias,
+            maxAnisotropy,
+            comparisonFunc,
+            borderColor,
+            minLOD,
+            maxLOD,
+            shaderVisibility,
+            registerSpace);
+    }
+    
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_ROOT_SIGNATURE_DESC : public D3D12_ROOT_SIGNATURE_DESC
+{
+    CD3DX12_ROOT_SIGNATURE_DESC() {}
+    explicit CD3DX12_ROOT_SIGNATURE_DESC(const D3D12_ROOT_SIGNATURE_DESC &o) :
+        D3D12_ROOT_SIGNATURE_DESC(o)
+    {}
+    CD3DX12_ROOT_SIGNATURE_DESC(
+        UINT numParameters,
+        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
+        UINT numStaticSamplers = 0,
+        _In_reads_opt_(numStaticSamplers) const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers = NULL,
+        D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
+    {
+        Init(numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
+    }
+    CD3DX12_ROOT_SIGNATURE_DESC(CD3DX12_DEFAULT)
+    {
+        Init(0, NULL, 0, NULL, D3D12_ROOT_SIGNATURE_FLAG_NONE);
+    }
+    
+    inline void Init(
+        UINT numParameters,
+        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
+        UINT numStaticSamplers = 0,
+        _In_reads_opt_(numStaticSamplers) const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers = NULL,
+        D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
+    {
+        Init(*this, numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
+    }
+
+    static inline void Init(
+        _Out_ D3D12_ROOT_SIGNATURE_DESC &desc,
+        UINT numParameters,
+        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
+        UINT numStaticSamplers = 0,
+        _In_reads_opt_(numStaticSamplers) const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers = NULL,
+        D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
+    {
+        desc.NumParameters = numParameters;
+        desc.pParameters = _pParameters;
+        desc.NumStaticSamplers = numStaticSamplers;
+        desc.pStaticSamplers = _pStaticSamplers;
+        desc.Flags = flags;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_CPU_DESCRIPTOR_HANDLE : public D3D12_CPU_DESCRIPTOR_HANDLE
+{
+    CD3DX12_CPU_DESCRIPTOR_HANDLE() {}
+    explicit CD3DX12_CPU_DESCRIPTOR_HANDLE(const D3D12_CPU_DESCRIPTOR_HANDLE &o) :
+        D3D12_CPU_DESCRIPTOR_HANDLE(o)
+    {}
+    CD3DX12_CPU_DESCRIPTOR_HANDLE(CD3DX12_DEFAULT) { ptr = 0; }
+    CD3DX12_CPU_DESCRIPTOR_HANDLE(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE &other, INT offsetScaledByIncrementSize)
+    {
+        InitOffsetted(other, offsetScaledByIncrementSize);
+    }
+    CD3DX12_CPU_DESCRIPTOR_HANDLE(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE &other, INT offsetInDescriptors, UINT descriptorIncrementSize)
+    {
+        InitOffsetted(other, offsetInDescriptors, descriptorIncrementSize);
+    }
+    CD3DX12_CPU_DESCRIPTOR_HANDLE& Offset(INT offsetInDescriptors, UINT descriptorIncrementSize)
+    { 
+        ptr += offsetInDescriptors * descriptorIncrementSize;
+        return *this;
+    }
+    CD3DX12_CPU_DESCRIPTOR_HANDLE& Offset(INT offsetScaledByIncrementSize) 
+    { 
+        ptr += offsetScaledByIncrementSize;
+        return *this;
+    }
+    bool operator==(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE& other)
+    {
+        return (ptr == other.ptr);
+    }
+    bool operator!=(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE& other)
+    {
+        return (ptr != other.ptr);
+    }
+    CD3DX12_CPU_DESCRIPTOR_HANDLE &operator=(const D3D12_CPU_DESCRIPTOR_HANDLE &other)
+    {
+        ptr = other.ptr;
+        return *this;
+    }
+    
+    inline void InitOffsetted(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE &base, INT offsetScaledByIncrementSize)
+    {
+        InitOffsetted(*this, base, offsetScaledByIncrementSize);
+    }
+    
+    inline void InitOffsetted(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE &base, INT offsetInDescriptors, UINT descriptorIncrementSize)
+    {
+        InitOffsetted(*this, base, offsetInDescriptors, descriptorIncrementSize);
+    }
+    
+    static inline void InitOffsetted(_Out_ D3D12_CPU_DESCRIPTOR_HANDLE &handle, _In_ const D3D12_CPU_DESCRIPTOR_HANDLE &base, INT offsetScaledByIncrementSize)
+    {
+        handle.ptr = base.ptr + offsetScaledByIncrementSize;
+    }
+    
+    static inline void InitOffsetted(_Out_ D3D12_CPU_DESCRIPTOR_HANDLE &handle, _In_ const D3D12_CPU_DESCRIPTOR_HANDLE &base, INT offsetInDescriptors, UINT descriptorIncrementSize)
+    {
+        handle.ptr = base.ptr + offsetInDescriptors * descriptorIncrementSize;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_GPU_DESCRIPTOR_HANDLE : public D3D12_GPU_DESCRIPTOR_HANDLE
+{
+    CD3DX12_GPU_DESCRIPTOR_HANDLE() {}
+    explicit CD3DX12_GPU_DESCRIPTOR_HANDLE(const D3D12_GPU_DESCRIPTOR_HANDLE &o) :
+        D3D12_GPU_DESCRIPTOR_HANDLE(o)
+    {}
+    CD3DX12_GPU_DESCRIPTOR_HANDLE(CD3DX12_DEFAULT) { ptr = 0; }
+    CD3DX12_GPU_DESCRIPTOR_HANDLE(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE &other, INT offsetScaledByIncrementSize)
+    {
+        InitOffsetted(other, offsetScaledByIncrementSize);
+    }
+    CD3DX12_GPU_DESCRIPTOR_HANDLE(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE &other, INT offsetInDescriptors, UINT descriptorIncrementSize)
+    {
+        InitOffsetted(other, offsetInDescriptors, descriptorIncrementSize);
+    }
+    CD3DX12_GPU_DESCRIPTOR_HANDLE& Offset(INT offsetInDescriptors, UINT descriptorIncrementSize)
+    { 
+        ptr += offsetInDescriptors * descriptorIncrementSize;
+        return *this;
+    }
+    CD3DX12_GPU_DESCRIPTOR_HANDLE& Offset(INT offsetScaledByIncrementSize) 
+    { 
+        ptr += offsetScaledByIncrementSize;
+        return *this;
+    }
+    inline bool operator==(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE& other)
+    {
+        return (ptr == other.ptr);
+    }
+    inline bool operator!=(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE& other)
+    {
+        return (ptr != other.ptr);
+    }
+    CD3DX12_GPU_DESCRIPTOR_HANDLE &operator=(const D3D12_GPU_DESCRIPTOR_HANDLE &other)
+    {
+        ptr = other.ptr;
+        return *this;
+    }
+    
+    inline void InitOffsetted(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE &base, INT offsetScaledByIncrementSize)
+    {
+        InitOffsetted(*this, base, offsetScaledByIncrementSize);
+    }
+    
+    inline void InitOffsetted(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE &base, INT offsetInDescriptors, UINT descriptorIncrementSize)
+    {
+        InitOffsetted(*this, base, offsetInDescriptors, descriptorIncrementSize);
+    }
+    
+    static inline void InitOffsetted(_Out_ D3D12_GPU_DESCRIPTOR_HANDLE &handle, _In_ const D3D12_GPU_DESCRIPTOR_HANDLE &base, INT offsetScaledByIncrementSize)
+    {
+        handle.ptr = base.ptr + offsetScaledByIncrementSize;
+    }
+    
+    static inline void InitOffsetted(_Out_ D3D12_GPU_DESCRIPTOR_HANDLE &handle, _In_ const D3D12_GPU_DESCRIPTOR_HANDLE &base, INT offsetInDescriptors, UINT descriptorIncrementSize)
+    {
+        handle.ptr = base.ptr + offsetInDescriptors * descriptorIncrementSize;
+    }
+};
+
+//------------------------------------------------------------------------------------------------
+inline UINT D3D12CalcSubresource( UINT MipSlice, UINT ArraySlice, UINT PlaneSlice, UINT MipLevels, UINT ArraySize )
+{ 
+    return MipSlice + ArraySlice * MipLevels + PlaneSlice * MipLevels * ArraySize; 
+}
+
+//------------------------------------------------------------------------------------------------
+template <typename T, typename U, typename V>
+inline void D3D12DecomposeSubresource( UINT Subresource, UINT MipLevels, UINT ArraySize, _Out_ T& MipSlice, _Out_ U& ArraySlice, _Out_ V& PlaneSlice )
+{
+    MipSlice = static_cast<T>(Subresource % MipLevels);
+    ArraySlice = static_cast<U>((Subresource / MipLevels) % ArraySize);
+    PlaneSlice = static_cast<V>(Subresource / (MipLevels * ArraySize));
+}
+
+//------------------------------------------------------------------------------------------------
+inline UINT8 D3D12GetFormatPlaneCount(
+    _In_ ID3D12Device* pDevice,
+    DXGI_FORMAT Format
+    )
+{
+    D3D12_FEATURE_DATA_FORMAT_INFO formatInfo = {Format};
+    if (FAILED(pDevice->CheckFeatureSupport(D3D12_FEATURE_FORMAT_INFO, &formatInfo, sizeof(formatInfo))))
+    {
+        return 0;
+    }
+    return formatInfo.PlaneCount;
+}
+
+//------------------------------------------------------------------------------------------------
+struct CD3DX12_RESOURCE_DESC : public D3D12_RESOURCE_DESC
+{
+    CD3DX12_RESOURCE_DESC()
+    {}
+    explicit CD3DX12_RESOURCE_DESC( const D3D12_RESOURCE_DESC& o ) :
+        D3D12_RESOURCE_DESC( o )
+    {}
+    CD3DX12_RESOURCE_DESC( 
+        D3D12_RESOURCE_DIMENSION dimension,
+        UINT64 alignment,
+        UINT64 width,
+        UINT height,
+        UINT16 depthOrArraySize,
+        UINT16 mipLevels,
+        DXGI_FORMAT format,
+        UINT sampleCount,
+        UINT sampleQuality,
+        D3D12_TEXTURE_LAYOUT layout,
+        D3D12_RESOURCE_FLAGS flags )
+    {
+        Dimension = dimension;
+        Alignment = alignment;
+        Width = width;
+        Height = height;
+        DepthOrArraySize = depthOrArraySize;
+        MipLevels = mipLevels;
+        Format = format;
+        SampleDesc.Count = sampleCount;
+        SampleDesc.Quality = sampleQuality;
+        Layout = layout;
+        Flags = flags;
+    }
+    static inline CD3DX12_RESOURCE_DESC Buffer( 
+        const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
+        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE )
+    {
+        return CD3DX12_RESOURCE_DESC( D3D12_RESOURCE_DIMENSION_BUFFER, resAllocInfo.Alignment, resAllocInfo.SizeInBytes, 
+            1, 1, 1, DXGI_FORMAT_UNKNOWN, 1, 0, D3D12_TEXTURE_LAYOUT_ROW_MAJOR, flags );
+    }
+    static inline CD3DX12_RESOURCE_DESC Buffer( 
+        UINT64 width,
+        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
+        UINT64 alignment = 0 )
+    {
+        return CD3DX12_RESOURCE_DESC( D3D12_RESOURCE_DIMENSION_BUFFER, alignment, width, 1, 1, 1, 
+            DXGI_FORMAT_UNKNOWN, 1, 0, D3D12_TEXTURE_LAYOUT_ROW_MAJOR, flags );
+    }
+    static inline CD3DX12_RESOURCE_DESC Tex1D( 
+        DXGI_FORMAT format,
+        UINT64 width,
+        UINT16 arraySize = 1,
+        UINT16 mipLevels = 0,
+        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
+        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
+        UINT64 alignment = 0 )
+    {
+        return CD3DX12_RESOURCE_DESC( D3D12_RESOURCE_DIMENSION_TEXTURE1D, alignment, width, 1, arraySize, 
+            mipLevels, format, 1, 0, layout, flags );
+    }
+    static inline CD3DX12_RESOURCE_DESC Tex2D( 
+        DXGI_FORMAT format,
+        UINT64 width,
+        UINT height,
+        UINT16 arraySize = 1,
+        UINT16 mipLevels = 0,
+        UINT sampleCount = 1,
+        UINT sampleQuality = 0,
+        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
+        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
+        UINT64 alignment = 0 )
+    {
+        return CD3DX12_RESOURCE_DESC( D3D12_RESOURCE_DIMENSION_TEXTURE2D, alignment, width, height, arraySize, 
+            mipLevels, format, sampleCount, sampleQuality, layout, flags );
+    }
+    static inline CD3DX12_RESOURCE_DESC Tex3D( 
+        DXGI_FORMAT format,
+        UINT64 width,
+        UINT height,
+        UINT16 depth,
+        UINT16 mipLevels = 0,
+        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
+        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
+        UINT64 alignment = 0 )
+    {
+        return CD3DX12_RESOURCE_DESC( D3D12_RESOURCE_DIMENSION_TEXTURE3D, alignment, width, height, depth, 
+            mipLevels, format, 1, 0, layout, flags );
+    }
+    inline UINT16 Depth() const
+    { return (Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D ? DepthOrArraySize : 1); }
+    inline UINT16 ArraySize() const
+    { return (Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE3D ? DepthOrArraySize : 1); }
+    inline UINT8 PlaneCount(_In_ ID3D12Device* pDevice) const
+    { return D3D12GetFormatPlaneCount(pDevice, Format); }
+    inline UINT Subresources(_In_ ID3D12Device* pDevice) const
+    { return MipLevels * ArraySize() * PlaneCount(pDevice); }
+    inline UINT CalcSubresource(UINT MipSlice, UINT ArraySlice, UINT PlaneSlice)
+    { return D3D12CalcSubresource(MipSlice, ArraySlice, PlaneSlice, MipLevels, ArraySize()); }
+    operator const D3D12_RESOURCE_DESC&() const { return *this; }
+};
+inline bool operator==( const D3D12_RESOURCE_DESC& l, const D3D12_RESOURCE_DESC& r )
+{
+    return l.Dimension == r.Dimension &&
+        l.Alignment == r.Alignment &&
+        l.Width == r.Width &&
+        l.Height == r.Height &&
+        l.DepthOrArraySize == r.DepthOrArraySize &&
+        l.MipLevels == r.MipLevels &&
+        l.Format == r.Format &&
+        l.SampleDesc.Count == r.SampleDesc.Count &&
+        l.SampleDesc.Quality == r.SampleDesc.Quality &&
+        l.Layout == r.Layout &&
+        l.Flags == r.Flags;
+}
+inline bool operator!=( const D3D12_RESOURCE_DESC& l, const D3D12_RESOURCE_DESC& r )
+{ return !( l == r ); }
+
+//------------------------------------------------------------------------------------------------
+// Row-by-row memcpy
+inline void MemcpySubresource(
+    _In_ const D3D12_MEMCPY_DEST* pDest,
+    _In_ const D3D12_SUBRESOURCE_DATA* pSrc,
+    SIZE_T RowSizeInBytes,
+    UINT NumRows,
+    UINT NumSlices)
+{
+    for (UINT z = 0; z < NumSlices; ++z)
+    {
+        BYTE* pDestSlice = reinterpret_cast<BYTE*>(pDest->pData) + pDest->SlicePitch * z;
+        const BYTE* pSrcSlice = reinterpret_cast<const BYTE*>(pSrc->pData) + pSrc->SlicePitch * z;
+        for (UINT y = 0; y < NumRows; ++y)
+        {
+            memcpy(pDestSlice + pDest->RowPitch * y,
+                   pSrcSlice + pSrc->RowPitch * y,
+                   RowSizeInBytes);
+        }
+    }
+}
+
+//------------------------------------------------------------------------------------------------
+// Returns required size of a buffer to be used for data upload
+inline UINT64 GetRequiredIntermediateSize(
+    _In_ ID3D12Resource* pDestinationResource,
+    _In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
+    _In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources)
+{
+    D3D12_RESOURCE_DESC Desc = pDestinationResource->GetDesc();
+    UINT64 RequiredSize = 0;
+    
+    ID3D12Device* pDevice;
+    pDestinationResource->GetDevice(__uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
+    pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, 0, nullptr, nullptr, nullptr, &RequiredSize);
+    pDevice->Release();
+    
+    return RequiredSize;
+}
+
+//------------------------------------------------------------------------------------------------
+// All arrays must be populated (e.g. by calling GetCopyableFootprints)
+inline UINT64 UpdateSubresources(
+    _In_ ID3D12GraphicsCommandList* pCmdList,
+    _In_ ID3D12Resource* pDestinationResource,
+    _In_ ID3D12Resource* pIntermediate,
+    _In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
+    _In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources,
+    UINT64 RequiredSize,
+    _In_reads_(NumSubresources) const D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
+    _In_reads_(NumSubresources) const UINT* pNumRows,
+    _In_reads_(NumSubresources) const UINT64* pRowSizesInBytes,
+    _In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData)
+{
+    // Minor validation
+    D3D12_RESOURCE_DESC IntermediateDesc = pIntermediate->GetDesc();
+    D3D12_RESOURCE_DESC DestinationDesc = pDestinationResource->GetDesc();
+    if (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER || 
+        IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset || 
+        RequiredSize > (SIZE_T)-1 || 
+        (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER && 
+            (FirstSubresource != 0 || NumSubresources != 1)))
+    {
+        return 0;
+    }
+    
+    BYTE* pData;
+    HRESULT hr = pIntermediate->Map(0, NULL, reinterpret_cast<void**>(&pData));
+    if (FAILED(hr))
+    {
+        return 0;
+    }
+    
+    for (UINT i = 0; i < NumSubresources; ++i)
+    {
+        if (pRowSizesInBytes[i] > (SIZE_T)-1) return 0;
+        D3D12_MEMCPY_DEST DestData = { pData + pLayouts[i].Offset, pLayouts[i].Footprint.RowPitch, pLayouts[i].Footprint.RowPitch * pNumRows[i] };
+        MemcpySubresource(&DestData, &pSrcData[i], (SIZE_T)pRowSizesInBytes[i], pNumRows[i], pLayouts[i].Footprint.Depth);
+    }
+    pIntermediate->Unmap(0, NULL);
+    
+    if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
+    {
+        CD3DX12_BOX SrcBox( UINT( pLayouts[0].Offset ), UINT( pLayouts[0].Offset + pLayouts[0].Footprint.Width ) );
+        pCmdList->CopyBufferRegion(
+            pDestinationResource, 0, pIntermediate, pLayouts[0].Offset, pLayouts[0].Footprint.Width);
+    }
+    else
+    {
+        for (UINT i = 0; i < NumSubresources; ++i)
+        {
+            CD3DX12_TEXTURE_COPY_LOCATION Dst(pDestinationResource, i + FirstSubresource);
+            CD3DX12_TEXTURE_COPY_LOCATION Src(pIntermediate, pLayouts[i]);
+            pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, nullptr);
+        }
+    }
+    return RequiredSize;
+}
+
+//------------------------------------------------------------------------------------------------
+// Heap-allocating UpdateSubresources implementation
+inline UINT64 UpdateSubresources( 
+    _In_ ID3D12GraphicsCommandList* pCmdList,
+    _In_ ID3D12Resource* pDestinationResource,
+    _In_ ID3D12Resource* pIntermediate,
+    UINT64 IntermediateOffset,
+    _In_range_(0,D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
+    _In_range_(0,D3D12_REQ_SUBRESOURCES-FirstSubresource) UINT NumSubresources,
+    _In_reads_(NumSubresources) D3D12_SUBRESOURCE_DATA* pSrcData)
+{
+    UINT64 RequiredSize = 0;
+    UINT64 MemToAlloc = static_cast<UINT64>(sizeof(D3D12_PLACED_SUBRESOURCE_FOOTPRINT) + sizeof(UINT) + sizeof(UINT64)) * NumSubresources;
+    if (MemToAlloc > SIZE_MAX)
+    {
+       return 0;
+    }
+    void* pMem = HeapAlloc(GetProcessHeap(), 0, static_cast<SIZE_T>(MemToAlloc));
+    if (pMem == NULL)
+    {
+       return 0;
+    }
+    D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts = reinterpret_cast<D3D12_PLACED_SUBRESOURCE_FOOTPRINT*>(pMem);
+    UINT64* pRowSizesInBytes = reinterpret_cast<UINT64*>(pLayouts + NumSubresources);
+    UINT* pNumRows = reinterpret_cast<UINT*>(pRowSizesInBytes + NumSubresources);
+    
+    D3D12_RESOURCE_DESC Desc = pDestinationResource->GetDesc();
+    ID3D12Device* pDevice;
+    pDestinationResource->GetDevice(__uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
+    pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, IntermediateOffset, pLayouts, pNumRows, pRowSizesInBytes, &RequiredSize);
+    pDevice->Release();
+    
+    UINT64 Result = UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, pLayouts, pNumRows, pRowSizesInBytes, pSrcData);
+    HeapFree(GetProcessHeap(), 0, pMem);
+    return Result;
+}
+
+//------------------------------------------------------------------------------------------------
+// Stack-allocating UpdateSubresources implementation
+template <UINT MaxSubresources>
+inline UINT64 UpdateSubresources( 
+    _In_ ID3D12GraphicsCommandList* pCmdList,
+    _In_ ID3D12Resource* pDestinationResource,
+    _In_ ID3D12Resource* pIntermediate,
+    UINT64 IntermediateOffset,
+    _In_range_(0, MaxSubresources) UINT FirstSubresource,
+    _In_range_(1, MaxSubresources - FirstSubresource) UINT NumSubresources,
+    _In_reads_(NumSubresources) D3D12_SUBRESOURCE_DATA* pSrcData)
+{
+    UINT64 RequiredSize = 0;
+    D3D12_PLACED_SUBRESOURCE_FOOTPRINT Layouts[MaxSubresources];
+    UINT NumRows[MaxSubresources];
+    UINT64 RowSizesInBytes[MaxSubresources];
+    
+    D3D12_RESOURCE_DESC Desc = pDestinationResource->GetDesc();
+    ID3D12Device* pDevice;
+    pDestinationResource->GetDevice(__uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
+    pDevice->GetCopyableFootprints(&Desc, FirstSubresource, NumSubresources, IntermediateOffset, Layouts, NumRows, RowSizesInBytes, &RequiredSize);
+    pDevice->Release();
+    
+    return UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, Layouts, NumRows, RowSizesInBytes, pSrcData);
+}
+
+//------------------------------------------------------------------------------------------------
+inline bool D3D12IsLayoutOpaque( D3D12_TEXTURE_LAYOUT Layout )
+{ return Layout == D3D12_TEXTURE_LAYOUT_UNKNOWN || Layout == D3D12_TEXTURE_LAYOUT_64KB_UNDEFINED_SWIZZLE; }
+
+//------------------------------------------------------------------------------------------------
+inline ID3D12CommandList * const * CommandListCast(ID3D12GraphicsCommandList * const * pp)
+{
+    // This cast is useful for passing strongly typed command list pointers into
+    // ExecuteCommandLists.
+    // This cast is valid as long as the const-ness is respected. D3D12 APIs do
+    // respect the const-ness of their arguments.
+    return reinterpret_cast<ID3D12CommandList * const *>(pp);
+}
+
+
+#endif // defined( __cplusplus )
+
+#endif //__D3DX12_H__
+
+
+